Animals

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Across
  1. 5. Animals that used wood pieces as "dust masks"
  2. 7. How scientists study animal behavior
  3. 8. A possible explanation for animal tool use
  4. 9. Primates that use sticks to catch termites
  5. 10. Objects chimps modify to catch food
  6. 11. Objects used to complete tasks
  7. 13. Items used by otters to crack shells
  8. 14. Material used in mole-rat experiments
  9. 15. Structures where termites live
Down
  1. 1. Another possible explanation for tool use
  2. 2. People who study animal tool use
  3. 3. Animals that use rocks to break open shells
  4. 4. Insects caught by chimps using sticks
  5. 6. What young chimps do by observing older chimps
  6. 12. Parts of a tree that chimps remove from branches